Dense-Numbers.js

/**
 * Returns if the number is dense or not (averge of digits > 7)
 * @param {int} int to test
 * @returns {boolean}
 */
function isDenseNumber(int) {
  let digitArray = []
  let valDigits = 0
  while (int) {
    let digit = int % 10
    digitArray.push(digit)
    valDigits += digit
    int = parseInt(int / 10)
  }
  digitArray.reverse()

  let isDense = (valDigits / digitArray.length) > 7
  return isDense
}